Studying QCD factorizations in exclusive gamma* gamma* -> rho^0_L rho^0_L

Details Studying QCD factorizations in exclusive gamma* gamma* -> rho^0_L rho^0_L Studying QCD factorizations in exclusive gamma* gamma* -> rho^0_L rho^0_L

2007-10-03

arxiv.org/abs/0710.0838v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

invited talk presented at EDS07 11 figures

Scientific paper

The exclusive process e+ e- -> e+ e- rho^0_L rho^0_L allows to study various dynamics and factorization properties of perturbative QCD. At moderate energy, we demonstrate how collinear QCD factorization emerges, involving generalized distribution amplitudes (GDA) and transition distribution amplitudes (TDA). At higher energies, in the Regge limit of QCD, we show that it offers a promising probe of the BFKL resummation effects to be studied at the International Linear Collider (ILC).

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